/*
 * MIT License
 *
 * Copyright (c) 2023 北京凯特伟业科技有限公司
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
package com.je.bpm.engine.impl.cmd;

import com.je.bpm.engine.ActivitiIllegalArgumentException;
import com.je.bpm.engine.ActivitiObjectNotFoundException;
import com.je.bpm.engine.impl.interceptor.Command;
import com.je.bpm.engine.impl.interceptor.CommandContext;
import com.je.bpm.engine.impl.persistence.entity.ExecutionEntity;
import com.je.bpm.engine.impl.persistence.entity.ExecutionEntityManager;
import com.je.bpm.engine.impl.persistence.entity.IdentityLinkEntityManager;

import java.io.Serializable;


public class AddIdentityLinkForProcessInstanceCmd implements Command<Void>, Serializable {

    private static final long serialVersionUID = 1L;

    protected String processInstanceId;

    protected String userId;

    protected String groupId;

    protected String type;

    public AddIdentityLinkForProcessInstanceCmd(String processInstanceId, String userId, String groupId, String type) {
        validateParams(processInstanceId, userId, groupId, type);
        this.processInstanceId = processInstanceId;
        this.userId = userId;
        this.groupId = groupId;
        this.type = type;
    }

    protected void validateParams(String processInstanceId, String userId, String groupId, String type) {
        if (processInstanceId == null) {
            throw new ActivitiIllegalArgumentException("processInstanceId is null");
        }
        if (type == null) {
            throw new ActivitiIllegalArgumentException("type is required when adding a new process instance identity link");
        }
        if (userId == null && groupId == null) {
            throw new ActivitiIllegalArgumentException("userId and groupId cannot both be null");
        }
    }

    @Override
    public Void execute(CommandContext commandContext) {
        ExecutionEntityManager executionEntityManager = commandContext.getExecutionEntityManager();
        ExecutionEntity processInstance = executionEntityManager.findById(processInstanceId);

        if (processInstance == null) {
            throw new ActivitiObjectNotFoundException("Cannot find process instance with id " + processInstanceId, ExecutionEntity.class);
        }

        IdentityLinkEntityManager identityLinkEntityManager = commandContext.getIdentityLinkEntityManager();
        identityLinkEntityManager.addIdentityLink(processInstance, userId, groupId, type);
        commandContext.getHistoryManager().createProcessInstanceIdentityLinkComment(processInstanceId, userId, groupId, type, true);

        return null;

    }

}
